Which of the following undergoes change during a chemical reaction?

a. atomic masses of elements in reactants
b. element identities of atoms in reactants
c. total number of electrons in reactants
d. chemical bonds between atoms in reactants

not sure if this is what you'r looking for eubacteria and archaebacteria

the growth of the plants is affected by the heat of the light. what is the student doing?

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong